Margaret Johnstone-Douglas (1872-1960) (1872–1960) Parents Arthur Henry Johnstone-Douglas Jane Maitland Hathorn-Stewart Children Lady Jean Carnegie Margaret Carnegie David Alexander Carnegie John Carnegie, 12th Earl of Northesk Siblings Sibyl Johnstone-Douglas Walter Henry George Johnstone-Douglas Caroline Elsie Johnstone-Douglas Nina Johnstone-Douglas Bridget Helen Johnstone-Douglas Muriel Grace Johnstone-Douglas Sholto Johnstone Douglas Olive Christian Johnstone-Douglas Octavia Johnstone-Douglas Partners Douglas Carnegie